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(11)

EP 4 536 587 A1

(12)

(43) Date of publication: 16.04.2025 Bulletin 2025/16 (21) Application number: 23732863.8 (22) Date of filing: 12.06.2023

(51) International Patent Classification (IPC):  C01B 32/23(2017.01) C09C 1/00(2006.01) C08K 3/00(2018.01) (52) Cooperative Patent Classification (CPC): C01B 32/23; C09C 1/46; C01P 2004/51; C01P 2002/88; C08L 2207/062; C08L 2207/20; C08K 2201/006; C08K 2201/005; C08L 23/06; C08L 23/12; A45C 5/02; C01P 2006/12   C-Sets: C08K 3/04, C08L 23/06; C08K 3/34, C08L 23/12; C08L 23/12, C08L 9/06, C08K 3/34; C08L 23/06, C08L 9/06, C08K 3/34; C08K 3/34, C08L 23/06; (86) International application number: PCT/EP2023/065582 (87) International publication number: WO 2023/242080 (21.12.2023 Gazette 2023/51)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 13.06.2022 GB 202208582 (71) Applicant: Groundtruth Global Limited Islington London N4 2BT (GB)	(72) Inventors: SCOTT, Georgia London N4 2BT (GB) SAVILOW, Madison Anne Walshe Calgary, Alberta T3S0A2 (CA) ZHOU, Zhanyi Calgary, Alberta T3S0A2 (CA) (74) Representative: Bartle Read  Liverpool Science Park 131 Mount Pleasant Liverpool L3 5TF Liverpool L3 5TF (GB)